Browsing by Author "Tas, R."

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Calculation of Coster-Kronig Enhancement Factors for 60nd and 61pm at Different Excitation Energies
(Asian Journal of Chemistry, 2011) Yilmaz, R.; Tas, R.; Babayigit, R.; Arici, K.
Coster-Kronig processes are radiationless in which an inner-shell vacancy is transferred from one subshell of an atom to another, both belonging to the same principal shell. Because of the effect of Coster-Kronig transition on L X-ray fluorescence cross sections, an increase in L X-ray intensity were calculated theoretically at different exciation energies for L-1, L-2 and L-3 subshells. These are called as Coster-Kronig enhancement factors and were represented as K-i(i = alpha, beta, l). These calculated values were compared with other experimental and theoretical values. Calculations showed that when the excitation energies were increased with respect to absorbtion edge energy, L X-ray fluorescence cross sections decrease while Coster-Kronig enhancement factors increase.